Product Description

Product Description

The cylinder head is installed on the top of the cylinder block to seal the cylinder from the top and form the combustion chamber. It is often in contact with high temperature and high pressure gas, so it bears a lot of thermal load and mechanical load. A cooling water jacket is made in the cylinder head of a water-cooled engine, and the cooling water hole on the lower end face of the cylinder head is communicated with the cooling water hole of the cylinder block. Circulating water is used to cool high temperature parts such as combustion chamber. The cylinder head is also equipped with inlet and exhaust valve seats, valve CZPT holes, which are used to install the inlet and exhaust valves, as well as the intake and exhaust channels. The cylinder head of gasoline engine is equipped with a hole for installing spark plug, while the cylinder head of diesel engine is equipped with a hole for installing fuel injector. Camshaft bearing holes are also machined on the cylinder head of the overhead camshaft engine to install the camshaft. The cylinder head is usually made of gray iron or alloy cast iron, and the heat conductivity of aluminum alloy is good, which is conducive to improving the compression ratio. Cylinder head is a part of combustion chamber, and the shape of combustion chamber has great influence on the engine. Because of the different combustion modes of gasoline engine and diesel engine, the part of combustion chamber on cylinder head is different. The combustion chamber of gasoline engine is mainly on the cylinder head, while the combustion chamber of diesel engine is mainly in the pit on the top of piston.

TZZ85711 T3712H074Z T3712H048 LOVOL 4 cylinder cylinder head diesel engine parts

Specification

Product name:	cylinder head
Truck Model:	Sinotruk
Place of Origin:	ZheJiang , China
Model Number:	TZZ85711 T3712H074Z T3712H048
Key Words:	Sinotruk Piston
Size:	OEM Standard
Size:	OEM Standard
Certificate:	ISO9001:2008
Payment:	T/T,L/C ,Western Union

Certifications

Packaging & Shipping

1.To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.details1. Our packing uses export wooden cases, plastic boxes, cartons or pallets. All the package are very strong, the wooden box is firmly bound, the package is covered with a waterproof film to prevent water or damage during transportation.Before packing, we can also stick corresponding labels and shipping marks according to your needs. All our goods are well packed.
2. According to the quantity, we can use express delivery, air transportation or CZPT transportation, automobile transportation, railway transportation, etc. we have our own freight forwarders, and we can also use the designated freight forwarders of customers, which can meet various delivery requirements of customers, such as EXW, FOB, CIF, etc.It can also be exported from many ports in China. Such as HangZhou port, HangZhou port, HangZhou port, ZheJiang port, HangZhou River and HangZhou in China.
3. We can also send the goods by express if the customers have less goods. According to customer’s request, we can use
express.such as DHL, TNT, EMS, FedEx, etc. the delivery time is 3-7. Safe, fast and convenient. It’s also a good choice for you.

Company Profile

Carman International Trade Co, Ltd. Ia an import and export company that founed in 2013, setting up with the approcal of Ministry of Commerce. Based on good faith and pursuit of mutual benefit, we supply Diesel engine spare parts for many domestic retailers and wholesalers, what’s more, our products are sold well to Japan, Korean, Malaysia, Indonesia, Germany, Russian, Turkey, Iran, Brazil, Peru, as well as other countries in the Middle East, and Africa etc.
The company has a number of diligent and advanced marketing and management experience of employees, for our customers to provide more professional, humane services. At the same time, the company vigorously develop advantageous products, integration and optimization of sales channels, in order to ensure quality at the same time, but also for dealers to retain a more careful profit margins. The company has innovative sales concept, high standards of product quality management as the basis, market as a guide, customer satisfaction as the criterion, the implementation of standardized customer service, forming a unique culture of high-quality service, customer service will fully implement the “customer guide, service value-added” strategy, in line with people-oriented, abide by the credibility, brand management, quality first, user first principle, so that more customers enjoy intimate service.
Our company focuses on auto parts quality and safety and service assurance, through China’s heavy vehicle and auto parts manufacturers excellent brand, the establishment of standardized, standardized sales and service system. Implementation of the “honesty-oriented, CZPT cooperation” concept, in a professional, efficient, systematic form, to provide customers with standardized consumer service platform. Our high-quality and excellent professional services from the product, variety, inventory, sales network perfect. Welcome to call to order accessories. Company to “quality-oriented, do fine and strong, sustainable development” as the quality policy, to “for the community, employees, customers, partners and enterprises themselves to seek reasonable interests” as the pursuit of the goal, warmly welcome business people from all walks of life to visit the guidance, business negotiations.

Our Advantages

auto parts are an important factor to support the healthy development of the automobile industry, especially construction machinery need to have higher requirements for different environments and different roads. The wear resistance, durability and tenacity of parts will have a direct impact on the safety of the vehicle itself and the driver. HangZhou CZPT International Trade Co., Ltd. has been committed to building excellent suppliers in the automobile industry for many years, providing high-quality vehicle and auto parts services for new and old customers. Our company was founded in 2013,Warehouse inventory is huge, and many kinds, to meet your various needs. The company has been adhering to the quality as the core,to serve customers as their responsibility, strict with themselves, has been China and the world a lot of quality inspection,china heavy truck spare parts has been exported to Russia, the United States, Europe and Southeast Asia and other countries.Our company is looking forward to your attention and visit.

FAQ

Q1. What is your spare parts packing?
A: We have cartons, wooden box, steel box and pallets for different spare parts to ensure safety of spare parts.
Q2. What is your terms of payment?
A: PayPal, Western Union, Money Gram, TT, LC. For Long-term business partners, we give credit payment terms as long as 6 months.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q4. Is your spare parts genuine?
A: We trade original and genuine parts only! No copy spare parts can you get from us!
Q5. How about your delivery time?
A: Depending our order quantity, normally we can effect delivery within max. 10 days for even big quantities. We are based in ZheJiang and it is much easier and faster for courier and sea shipment.
Q6. What is your warranty for spare parts?
A: We guarantee all our spare parts are original and genuine, we offer 3 month to 12 months warranty for different spare parts.
Q7. Do you test all your spare parts before delivery?
A: Yes, our quality control staff will do PDI for each item we ship before delivery.
Q8. How do you ensure your package and shipment safety?
A: We will ensure all spare parts be in good condition by different packages. If any spare parts broken due to our package or shipment, we will compensate and send new spare parts!

 

What Is a Pulley?

The pulley is a wheel mounted on a shaft or axle. Its purpose is to support the movement of a cable that is taut. This cable transfers power to a shaft. However, there are certain safety precautions that you should follow when using a pulley. Read on to learn more! Listed below are common uses and their main parts. Listed below are some of the benefits of using a pulley.

Common uses of a pulley

A pulley is a common mechanical device used to increase the force needed to lift a heavy object. Most commonly, these devices are used in construction equipment. These machines use high-10sion ropes to transfer heavy objects from 1 floor to another. Other common uses of a pulley include buckets and flagpoles. These devices are extremely useful in a wide range of applications. To learn more about the common uses of pulleys, keep reading.
A pulley is a wheel with grooves for holding rope. Its purpose is to change the direction and point at which a pulling force acts. It is usually used in sets to reduce the amount of force needed to lift a load, but the work involved is similar. Pulleys are also used in rock climbing devices. For many applications, a pulley is a vital part of construction.
The most common use of a pulley involves hoisting and lowering a flag. Other examples include clotheslines, bird feeders, and escalators. Pulleys are also commonly used on oil derricks. Many other common applications include hoisting and lowering garage doors. Pulley systems are also used in engines and cranes. For more information, check out our interactive pulley diagram!
Pulleys can also be used to lower total work required for a task. In many cases, a pulley will consist of 2 parts: the pulley hub and the shaft pulley. The hub clamps the shaft pulley, while the pulley itself is connected to the motor or other device. If you’re looking for a pulley, it’s important to learn how it works.
The most common uses for a pulley involve lifting heavy objects, and the mechanism used to lift them is known as a pulley. A pulley is an industrial device that uses 2 wheels to reduce the force needed to lift a weight. The pulley reduces this force by half by allowing the user to pull on the rope 4 times as far. The pulley also allows for a smaller lifting distance.

Main parts of a pulley

A pulley consists of the main element of a system. This is typically a cable, rope, belt, or chain. There are 2 basic types of pulleys – a Driver Pulley and a Follower Pulley. Pulleys are available in small and large sizes. The periphery part of the pulley is called the Face, and the protruding middle part is called the Crown. A pulley’s face can be round, rectangular, or even “V” shaped.
The first pulley was created by the Greek mathematician Archimedes in the third century BCE. These simple machines are made of a rope, an axle, and a wheel. The pulley’s end is attached to a person, object, or motor. These machines can be used in various tasks to lift heavy objects. The pulley is a great mechanical advantage for any lifter.
The ideal mechanical advantage of a pulley is defined by the number of rope segments that pull an object. The higher the number of loops on the rope, the higher the mechanical advantage. The greater the mechanical advantage, the less force is required to move the object. Likewise, the greater the distance the rope traverses, the higher the mechanical advantage of a pulley. There are several different types of pulley, depending on their combination of rope, wheel, and rope.
The basic components of a pulley are the face and hub, and the rope is threaded into the center of the pulley. The pulley is usually made of a rope and can be used to lift heavy weights. It can also be used to apply great force in any direction. Step pulleys have multiple faces, which are fixed in sequence. They can also increase the speed of the driven pulley.
A pulley is a simple machine consisting of a wheel, rope, or chain. These parts are crucial for making moving and lifting easier. Because they change the direction and magnitude of force, they can be a useful tool. Some pulleys even change direction. You can learn more about the pulley by downloading this resource today. The resources are designed to support the new 9-1 GCSEs in Design & Technology and Engineering.

Mechanical advantage

Pulleys have been used to move heavy objects for centuries. When 2 rope sections are used, the weight of a 100kg mass can be moved with only 500 newtons of force. Adding an extra pulley increases the mechanical advantage. If the pulley has 2 wheels, the distance between the rope sections and the wheel grooves is only half the distance, but the mechanical advantage still applies. Adding another pulley increases the mechanical advantage, but can be risky.
Mechanical advantage is the ratio of force used versus force applied. The calculations are made under the assumption that the ropes and weights do not elongate or lose energy due to friction. If the weights are very light, the mechanical advantage is greater than that in the real world. To calculate the mechanical advantage, the weight of the load to be lifted must be the same as the weight of the person using the pulley.
A single moveable pulley has a mechanical advantage of two. The weight passes around the pulley, and 1 end of the rope is attached to a fixed point. The pulling force is then applied to the other end of the rope. The distance the weight travels doubles, or halved, depending on the direction of the pulley. Adding a second pulley reduces the distance and the effort required to lift it.
There are several ways to calculate the mechanical advantage of a pulley system. Some methods are specific to certain types of systems, while others work for all systems. The T-Method is a good choice in many applications, as it calculates the units of tension for each rope segment. Once you have determined the input force, you need to determine the maximum force that will be applied to each component. A compound pulley, for example, will require 4 units of tension for each rope segment.
In simple terms, the effort is the amount of force needed to lift the load. This force is measured in newtons (N). A mechanical advantage is often presented without units. If the student does not have this unit, you may need to convert the units to newtons, since 1 kilogram is equal to 10 newtons. If you can’t figure out the units of effort, you can use the KWL chart provided by the teacher.

Safety precautions

There are a few safety precautions you should take when using a pulley. First, always check the SWL (safe working load) before attaching anything to the pulley. This indicates the maximum weight and angle the pulley can safely handle. Second, make sure that your work area is free from people and debris. Third, wear a hard hat to protect your head from blows and falling objects.
Another important consideration is anchoring. Although the pulley reduces the weight of an object, it is not enough to eliminate the weight. This is especially true if you are hoisting a heavy object, such as a motorcycle or lawnmower. It is important to ensure that the anchoring point can support the entire weight of the load. It is also important to follow proper anchoring procedures when using a pulley to lift a motorcycle or lawnmower.
In addition to the safety latch, you should use a tag line to control the suspended load. Remember that a chain pulley block is necessary for vertical lifting. You should also wear personal protective equipment (PPE) while using a pulley to avoid injuries. If your workplace does not have an PPE policy, you should consider implementing a similar policy. These safety guidelines are a good start.
If you are using a pulley to lift heavy objects, make sure to wear gloves. Those who are not familiar with rope-pulling will have an easier time demonstrating how it works. If you are using a rope-pulley system in a classroom, be sure to follow lab safety guidelines. Wear cloth gloves, clear the area, and do not jerk the rope. In addition, never allow yourself to be pulled into the rope by an unfamiliar person.
Another important safety precaution when using a pulley is to ensure that the anchor point for your system is adequate to support the weight of the object being lifted. Check with the manufacturer of the pulley to find out what its weight limit is, as some types of pulleys are designed to lift much heavier weights than others. It is important to follow all manufacturer’s instructions when using a pulley.